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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/100/16146

Title: pi(0)pi(0) Production in proton-proton collisions at T-p=1.4 GeV The WASA-at-COSY Collaboration
Authors: ADLARSON, P
ADOLPH, C
AUGUSTYNIAK, W
BASHKANOV, M
BEDNARSKI, T
BERGMANN, FS
BERLOWSKI, M
BHATT, H
BRINKMANN, KT
BUSCHER, M
CALEN, H
CLEMENT, H
CODERRE, D
CZERWINSKI, E
DOROSHKEVICH, E
ENGELS, R
ERVEN, W
EYRICH, W
FEDORETS, P
FOHL, K
FRANSSON, K
GOLDENBAUM, F
GOSLAWSKI, P
GRIGORYEV, K
GULLSTROM, CO
HEIJKENSKJOLD, L
HEIMLICH, J
HEJNY, V
HINTERBERGER, F
HODANA, M
HOISTAD, B
JACEWICZ, M
JANUSZ, M
JANY, A
JANY, BR
JARCZYK, L
JOHANSSON, T
KAMYS, B
KEMMERLING, G
KHAKIMOVA, O
KHOUKAZ, A
KISTRYN, S
KLAJA, J
KLEINES, H
KLOS, B
KREN, F
KRZEMIEN, W
KULESSA, P
KUPSC, A
LALWANI, K
LORENTZ, B
MAGIERA, A
MAIER, R
MARIANSKI, B
MARCINIEWSKI, P
MIKIRTYCHIANTS, M
MORSCH, HP
MOSKAL, P
NANDI, BK
NIEDZWIECKI, S
OHM, H
PASSFELD, A
PAULY, C
DEL RIO, EP
PETUKHOV, Y
PISKUNOV, N
PLUCINSKI, P
PODKOPAL, P
POVTOREYKO, A
PRASUHN, D
PRICKING, A
PYSZ, K
RAUSMANN, T
REDMER, CF
RITMAN, J
ROY, A
RUDY, Z
SAWANT, S
SCHADMAND, S
SCHMIDT, A
SEFZICK, T
SERDYUK, V
SHAH, N
SIEMASZKO, M
SKORODKO, T
SKURZOK, M
SMYRSKI, J
SOPOV, V
STASSEN, R
STEPANIAK, J
STERZENBACH, G
STOCKHORST, H
STROHER, H
SZCZUREK, A
TASCHNER, A
TOLBA, T
TRZCINSKI, A
VARMA, R
VLASOV, P
WAGNER, GJ
WEGLORZ, W
WIEDNER, U
WINNEMOLLER, A
WOLKE, M
WRONSKA, A
WUSTNER, P
WURM, P
YUAN, X
YUREV, L
ZABIEROWSKI, J
ZHENG, C
ZIELINSKI, MJ
ZIPPER, W
ZLOMANCZUK, J
ZUPRANSKI, P
Issue Date: 2012
Publisher: ELSEVIER SCIENCE BV
Citation: PHYSICS LETTERS B, 706(4-5)256-262
Abstract: The reaction pp -> pp pi(0)pi(0) has been investigated at a beam energy of 1.4 GeV using the WASA-at-COSY facility. The total cross section is found to be (324 +/- 21(systematic) +/- 58(normalization)) mu b. In order to study the production mechanism, differential kinematic distributions have been evaluated. The differential distributions indicate that both initial state protons are excited into intermediate Delta(1232) resonances, each decaying into a proton and a single pion, thereby producing the pion pair in the final state. No significant contribution of the Roper resonance N*(1440) via its decay into a proton and two pions is found. (C) 2011 Elsevier B.V. All rights reserved.
URI: http://dx.doi.org/10.1016/j.physletb.2011.11.041
http://dspace.library.iitb.ac.in/jspui/handle/100/16146
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